Tensiometer

Product Name：

Tensiometer

Description：

WESTINGAREA supplied L700714 Tensiometer have the excellent performance displayed as:


It is used to determine the surface tension of polymer dispersions and
and rubber latices (natural and synthetic), also the interfacial tension
of mineral oils against water which has been shown by practice to give
a reliable indication of the presence of hydrophilic compounds under
non-equilibrium conditions.

* Principle:

• SFT--Horizontally suspended ring of thin wire is attached to a Du Nouy
type tensiometer and immersed in the liquid under test, then slowly pulled
out. Just before the ring detaches itself from the surface of the liquid,
the force required reaches a maximum. This force is measured by a torsion
balance, inductive pick-up or some other suitable measuring device.

• IFT—Interfacial tension is determined by measuring the force necessary
to detach a planar ring of platinum wire from the surface of the liquid
of higher surface tension, that is, upward from the water-oil interface.
To calculate the interfacial tension, the force so measured is corrected
by an empirically determined factor which depends upon the force applied,
the densities of both oil and water, and the dimensions of the ring.
Measurements are made under rigid standardized non-equilibrium conditions
in which the measurement is completed within 1min after formation of the
interface.

* Feature:

• Fully automatic SFT and IFT measurement
• Extremely simple user-friendly operation
• Robust force measuring system
• LCD display
• Digital output for computer and printer
• Technical Parameters:
• Test method: Ring method
• Measuring range: 2.00 ~ 200.00 mN/m
• Resolution: 0.01mN/m
• Power consumption: 23W
• Input voltage: 220V AC － 15 %～ 220V AC ＋ 10 %
• Input frequency: 50Hz
• Display resolution: < ± 1 %
Data output: serial, RS232
LCD Display: two lines, 16 characters
• Dimension: 396mm （ L ）× 219mm （ W )× 360mm （ H ）
• Weight: 11kg
• It conforms to the ISO standards: ISO 1409, ISO 6295.

Remarks：

Price will be negotiable if order quantity is big.
Please do not hesitate to contact WESTINGAREA customer service engineer in your area, if you have any further question.
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